From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Comparison of various car models based on their 'Displacement Per Ton' metric, with handwritten annotations.
| Identifier | WestWitteringFiles\V\October1930-February1931\ Scan173 | |
| Date | 18th December 1930 | |
| COPY. HS{Lord Ernest Hives - Chair}/RM{William Robotham - Chief Engineer}1/AD18.12.30. contd. This is the best basis of comparison for comparing car performance for similar smoothness. Ford considers his 21 cwt. car spoilt with the English 15HP. fitted. CAR. DISPLACEMENT PER TON. Bentley 8 litre. 3300. RR. P. 2. 3200. Ford 24HP. 3120. Bentley six 2920. Marmon 79. 2760. Pierce Arrow. 2750. De Soto. 2750. <- [handwritten] 2700 RR 3.5 x 5 / 6 29.5 HP. Packard. 2650. Marmon 69. 2560. Graham Paige. 2520. Dodge. 2500. Studebaker. 2500. Buick 8. 2500. Auburn. 2500. Chrysler 77. 2500. La{L. A. Archer} Salle. 2420. Chrysler 8. 2370. <- [handwritten] 2330 RR 3.25 x 5 / 6 Delage. 2300. Humber Snipe. 2220. Daimler 35. 2200. Mercedes 32/90. 2180. RR. 25HP. 2100. <- [handwritten] 2100 RR. 3.25 x 4.5 / 6 Sunbeam. 2060. Minerva. 2030. | ||